Caption

Photometer or fat-spot photometer, photometer, Bunsen, apparatus for proving the law of reflection, proof of the law of refraction, Snellius' law, physics, prism refracts light, lens turns flame upside down, optics, experimental setup, invention, 19th century, Germany, historical illustration 1877

Date

Jul 12, 2025

Credit line

Photo12/imageBROKER/Wolfgang Diederich

Reference

BRK25I02_216

Model release

No

Property release

No

License type

Royalty free

Available size

106,7Mb (2,9Mb) / 23,2in x 17,8in / 6971 x 5350 (300dpi)

Keywords

physics history flame light fire German Europe illustration depiction historic burn scientific science upside down european prism lens optics invention natural scientific proof Germany natural science headfirst Reflection Central Europe 19th century Historic illustration Law of reflection representation historical lighted scientific research upside-down by inventing evidence German Federal Republic head first reflex Middle Europe nineteenth century Historical illustration research inverted verification Republic of Germany headlong 1900s FRG flames lights fires illustrations depictions burning sciences prisms lenses inventions proofs natural sciences Reflections 19th-century Historic illustrations historically reflexes Historical illustrations BRD Europe's depicting historical image history image history images burns blazing representing